(19)

(11)

EP 0 190 208 A1

(12)

(43) Date of publication: 13.08.1986 Bulletin 1986/33 (21) Application number: 85903661.0 (22) Date of filing: 04.07.1985

(51) International Patent Classification (IPC):  F21V 21/ 02( . ) F21V 31/ 00( . ) F21V 21/ 30( . ) (86) International application number: PCT/FI1985/000064 (87) International publication number: WO 1986/000686 (30.01.1986 Gazette 1986/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 05.07.1984 FI 19840002704 (71) Applicant: OY ENSTO AB SF-06100 Porvoo (FI)	(72) Inventors: KORKOLAINEN, Tom, Erik SF-06100 Porvoo (FI) PAULIN, Allan, Valdemar SF-07340 Espoo (FI) (74) Representative: Popp, Eugen, Dr.  MEISSNER, BOLTE & PARTNER Postfach 86 06 24 D-81633 München D-81633 München (DE)